Ryuutaro has no pity for his boyfriend. Whoever claimed he could walk every and any injury off had no right to complain about the temperature of a room.
Actually he might even take his time a bit more, but maybe that's just him being carefull.
The boy silently works through treating all those wounds, paying special attention to the deeper ones.
He's being very careful and gentle with it, always a soft person to the outside (and on the inside, too, when dealing with Hayato at least). Come on, it's not that bad